Can u hep me with question no 17
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Heya bro I didn't know about this question.
sorry bro but Jaise hi mujhe path Chale ga to me comment kr dunga
sorry bro but Jaise hi mujhe path Chale ga to me comment kr dunga
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Proof:-
In right angled triangles ADB and ADC
BD^2+AD^2=AB^2………….(1)
DC^2++AD^2=AC^2………..(2)
On adding eq.(1) & (2)
BD^2+DC^2+2AD^2=AB^2+AC^2
Put AD^2=BD.DC (given)
BD^2+DC^2+2BD.DC=AB^2+AC^2
(BD+DC)^2=AB^+AC^2 , put BD+DC=BC
BC^2=AB^2+AC^2 , therefore in triangle ABC
In right angled triangles ADB and ADC
BD^2+AD^2=AB^2………….(1)
DC^2++AD^2=AC^2………..(2)
On adding eq.(1) & (2)
BD^2+DC^2+2AD^2=AB^2+AC^2
Put AD^2=BD.DC (given)
BD^2+DC^2+2BD.DC=AB^2+AC^2
(BD+DC)^2=AB^+AC^2 , put BD+DC=BC
BC^2=AB^2+AC^2 , therefore in triangle ABC
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